glibc/inet/rexec.c
Roland McGrath c877418f2e * include/libc-symbols.h (__libc_freeres_fn_section, libc_freeres_fn):
New macros.
	* elf/dl-close.c (free_mem): Use libc_freeres_fn macro, remove
	text_set_element.
	* elf/dl-libc.c (free_mem): Likewise.
	* iconv/gconv_conf.c (free_mem): Likewise.
	* iconv/gconv_db.c (free_mem): Likewise.
	* iconv/gconv_dl.c (free_mem): Likewise.
	* iconv/gconv_cache.c (free_mem): Likewise.
	* intl/finddomain.c (free_mem): Likewise.
	* intl/dcigettext.c (free_mem): Likewise.
	* locale/setlocale.c (free_mem): Likewise.
	* misc/fstab.c (fstab_free): Likewise.
	* nss/nsswitch.c (free_mem): Likewise.
	* posix/regcomp.c (free_mem): Likewise.
	* resolv/gai_misc.c (free_res): Likewise.
	* stdlib/fmtmsg.c (free_mem): Likewise.
	* sunrpc/clnt_perr.c (free_mem): Likewise.
	* sysdeps/generic/setenv.c (free_mem): Likewise.
	* sysdeps/unix/sysv/linux/shm_open.c (freeit): Likewise.
	* sysdeps/pthread/aio_misc.c (free_res): Likewise.
	* time/tzset.c (free_mem): Likewise.
	* malloc/mtrace.c (release_libc_mem): Add __libc_freeres_fn_section.
	* locale/loadarchive.c (_nl_archive_subfreeres): Likewise.
	* malloc/set-freeres.c (__libc_freeres): Likewise.

	* login/getutent.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutent): Allocate buffer the first time it is run.
	* login/getutid.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutid): Allocate buffer the first time it is run.
	* login/getutline.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutline): Allocate buffer the first time it is run.
	* malloc/mtrace.c (malloc_trace_buffer): Change into char *.
	(mtrace): Allocate malloc_trace_buffer.
	* resolv/nsap_addr.c (inet_nsap_ntoa): Decrease size of tmpbuf.
	* resolv/ns_print.c (ns_sprintrrf): Decrease size of t.
	* string/strerror.c: Include libintl.h and errno.h.
	(buf): New variable.
	(strerror): Only allocate buffer if actually needed (unknown error).
	* time/tzfile.c (transitions): Add libc_freeres_ptr.
	(freeres): Remove.

2002-10-25  Jakub Jelinek  <jakub@redhat.com>

	* include/libc-symbols.h (libc_freeres_ptr): New macro.
	* malloc/set-freeres.c (__libc_freeres_ptrs): Define using
	symbol_set_define.
	(__libc_freeres): Free all pointers in that section.
	* Makerules (build-shlib): Add $(LDSEDCMD-$(@F:lib%.so=%).so) to sed
	commands when creating .lds script.
	(LDSEDCMD-c.so): New variable.
	* inet/rcmd.c (ahostbuf): Change into char *.  Add libc_freeres_ptr.
	(rcmd_af): Use strdup to allocate ahostbuf.
	* inet/rexec.c (ahostbuf): Change into char *.  Add libc_freeres_ptr.
	(rexec_af): Use strdup to allocate ahostbuf.
	* stdio-common/reg-printf.c (printf_funcs): Remove.
	(__printf_arginfo_table): Change into printf_arginfo_function **.
	Add libc_freeres_ptr.
	(__register_printf_function): Allocate __printf_arginfo_table
	and __printf_function_table the first time it is called.
	* stdio-common/printf-parse.h (__printf_arginfo_table): Change into
	printf_arginfo_function **.
	(parse_one_spec): Add __builtin_expect.
	* grp/fgetgrent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* inet/getnetgrent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* intl/localealias.c (libc_freeres_ptr): Define if !_LIBC.
	(string_space, map): Add libc_freeres_ptr.
	(free_mem): Remove.
	* misc/efgcvt.c (FCVT_BUFPTR): Add libc_freeres_ptr.
	(free_mem): Remove.
	* misc/mntent.c (getmntent_buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* crypt/md5-crypt.c (libc_freeres_ptr): Define if !_LIBC.
	(buffer): Add libc_freeres_ptr.
	(free_mem): Remove for _LIBC.
	* nss/getXXbyYY.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* nss/getXXent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* pwd/fgetpwent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* resolv/res_hconf.c (ifaddrs): Add libc_freeres_ptr.
	(free_mem): Remove.
	* shadow/fgetspent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/posix/ttyname.c (getttyname_name): Add libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/unix/sysv/linux/getsysstats.c (mount_proc): Add
	libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/unix/sysv/linux/ttyname.c (getttyname_name, ttyname_buf): Add
	libc_freeres_ptr.
	(free_mem): Remove.

2002-10-30  Jakub Jelinek  <jakub@redhat.com>

	* malloc/obstack.c [_LIBC] (obstack_free): Change into strong_alias
	instead of duplicating the whole function in libc.
2002-11-01 20:44:15 +00:00

193 lines
5.0 KiB
C

/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rexec.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <alloca.h>
#include <stdio.h>
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int rexecoptions;
libc_freeres_ptr (static char *ahostbuf);
int
rexec_af(ahost, rport, name, pass, cmd, fd2p, af)
char **ahost;
int rport;
const char *name, *pass, *cmd;
int *fd2p;
sa_family_t af;
{
struct sockaddr_storage sa2, from;
struct addrinfo hints, *res0;
const char *orig_name = name;
const char *orig_pass = pass;
u_short port = 0;
int s, timo = 1, s3;
char c;
int gai;
char servbuff[NI_MAXSERV];
__snprintf(servbuff, sizeof(servbuff), "%d", ntohs(rport));
servbuff[sizeof(servbuff) - 1] = '\0';
memset(&hints, '\0', sizeof(hints));
hints.ai_family = af;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_CANONNAME;
gai = getaddrinfo(*ahost, servbuff, &hints, &res0);
if (gai){
/* XXX: set errno? */
return -1;
}
if (res0->ai_canonname){
free (ahostbuf);
ahostbuf = strdup (res0->ai_canonname);
if (ahostbuf == NULL) {
perror ("rexec: strdup");
return (-1);
}
*ahost = ahostbuf;
} else
*ahost = NULL;
ruserpass(res0->ai_canonname, &name, &pass);
retry:
s = __socket(res0->ai_family, res0->ai_socktype, 0);
if (s < 0) {
perror("rexec: socket");
return (-1);
}
if (__connect(s, res0->ai_addr, res0->ai_addrlen) < 0) {
if (errno == ECONNREFUSED && timo <= 16) {
(void) __close(s);
__sleep(timo);
timo *= 2;
goto retry;
}
perror(res0->ai_canonname);
return (-1);
}
if (fd2p == 0) {
(void) __write(s, "", 1);
port = 0;
} else {
char num[32];
int s2, sa2len;
s2 = __socket(res0->ai_family, res0->ai_socktype, 0);
if (s2 < 0) {
(void) __close(s);
return (-1);
}
__listen(s2, 1);
sa2len = sizeof (sa2);
if (__getsockname(s2, (struct sockaddr *)&sa2, &sa2len) < 0) {
perror("getsockname");
(void) __close(s2);
goto bad;
} else if (sa2len != SA_LEN((struct sockaddr *)&sa2)) {
__set_errno(EINVAL);
(void) __close(s2);
goto bad;
}
port = 0;
if (!getnameinfo((struct sockaddr *)&sa2, sa2len,
NULL, 0, servbuff, sizeof(servbuff),
NI_NUMERICSERV))
port = atoi(servbuff);
(void) sprintf(num, "%u", port);
(void) __write(s, num, strlen(num)+1);
{ int len = sizeof (from);
s3 = accept(s2, (struct sockaddr *)&from, &len);
__close(s2);
if (s3 < 0) {
perror("accept");
port = 0;
goto bad;
}
}
*fd2p = s3;
}
(void) __write(s, name, strlen(name) + 1);
/* should public key encypt the password here */
(void) __write(s, pass, strlen(pass) + 1);
(void) __write(s, cmd, strlen(cmd) + 1);
/* We don't need the memory allocated for the name and the password
in ruserpass anymore. */
if (name != orig_name)
free ((char *) name);
if (pass != orig_pass)
free ((char *) pass);
if (__read(s, &c, 1) != 1) {
perror(*ahost);
goto bad;
}
if (c != 0) {
while (__read(s, &c, 1) == 1) {
(void) __write(2, &c, 1);
if (c == '\n')
break;
}
goto bad;
}
freeaddrinfo(res0);
return (s);
bad:
if (port)
(void) __close(*fd2p);
(void) __close(s);
freeaddrinfo(res0);
return (-1);
}
libc_hidden_def (rexec_af)
int
rexec(ahost, rport, name, pass, cmd, fd2p)
char **ahost;
int rport;
const char *name, *pass, *cmd;
int *fd2p;
{
return rexec_af(ahost, rport, name, pass, cmd, fd2p, AF_INET);
}